WO1985000400A1 - A security system for safes - Google Patents
A security system for safes Download PDFInfo
- Publication number
- WO1985000400A1 WO1985000400A1 PCT/AU1984/000119 AU8400119W WO8500400A1 WO 1985000400 A1 WO1985000400 A1 WO 1985000400A1 AU 8400119 W AU8400119 W AU 8400119W WO 8500400 A1 WO8500400 A1 WO 8500400A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- safe
- switch
- door
- security system
- key
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05G—SAFES OR STRONG-ROOMS FOR VALUABLES; BANK PROTECTION DEVICES; SAFETY TRANSACTION PARTITIONS
- E05G1/00—Safes or strong-rooms for valuables
- E05G1/14—Safes or strong-rooms for valuables with means for masking or destroying the valuables, e.g. in case of theft
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B15/00—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives
- G08B15/02—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives with smoke, gas, or coloured or odorous powder or liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7006—Predetermined time interval controlled
- Y10T70/7011—Positively initiated delay interval
Definitions
- a SECURITY SYSTEM FOR SAFES This invention relates to security systems for safes and more particularly to an arrangement for indelible marking of currency within the safe when unauthorized entry is attempted.
- the invention in one general form consists of a security system for a safe comprising a delayed action time lock permitting unlocking of the safe after a first time period and within a second time period, a switch operable when a door to the safe is opened, a device for dye marking of the safe's contents and being electrically actuated by said door switch, a key operated switch, and an electrical interlock circuit between the key switch, the door switch and the time lock ensuring that said marking device is not actuated if said key switch is operated before said door switch.
- a security system for a safe comprising a delayed action time lock permitting unlocking of the safe after a first time period and within a second time period, a switch operable when a door to the safe is opened, a device for dye marking of the safe's contents and being electrically actuated by said door switch, a key operated switch, and an electrical interlock circuit between the key switch, the door switch and the time lock ensuring that said marking device is not actuated if said key switch is operated before said door switch
- Fig. 1 is a front perspective of a safe incorporating the security system of this invention
- Fig. 2 shows in rear perspective the door of the safe shown in Fig. 1;
- Fig. 3 shows by schematic diagram the electrical interlock circuit of the security system.
- FIG. 1 is generally of conventional form, having a front access door (5) and a safety deposit slot (6) at its top (7).
- Key switch (9) has a key slot (11) to accept a first security key (not shown) while switch (10) accepts a second security key (not shown) in its key slot (12).
- a further security key is made available for insertion into slot (12) to enable withdrawal of the cylinder lock from switch (10) should a key change be desired.
- LED visual indicators (13) and (14) are positioned adjacent respective switches (9) and (10). The operative mechanisms of the key switches (9) and
- switch (10) are accessible from the inside of the door (5) (Fig. 2), switch (9) incorporating electrical contacts which are closed with switch operation and connected to terminals (15 and (16), and switch (10) performing the following functions: upon key operation a clockwork timer commences to function and at completion of a predetermined time perio first contacts (17) close and at completion of a second tim period these contacts open. A second set of contacts (18) close upon key operation and open at completion of the second time period. A locking bolt (19) will be withdrawn to allow the door to be opened, should the key of the time lock be turned during the second time period.
- An explosive dye marker device (20) incorporating a detonator is mounted upon the inside of the door (5) and activated from the PCB (21).
- Dry cell batteries (22) are also provided to energiz the circuitry, and electrical access to the LED's (13) and (14) is gained from the inside of the door.
- a door microswitch (23) has contacts which close when the door is open.
- Detailed circuitry of the electrical interlock circui is shown in Fig. 3.
- the principal components of the circui comprise a four element NOR gate, two elements, NOR 1 and NOR 2, of which form part of an asymmetrical clock oscillator (24).
- a four stage Smitt Trigger circuit (25) functions as a de-bouncing circuit to avoid false operation by contacts (17), while a dual flip-flop integrated circuit is connected with section FFA arranged to operate in the direct mode and section FFB arranged as a clocked type D flip-flop.
- a detonator is fired by current passing through a triggered SCR to disseminate dye from the marking device (20) (Fig. 2).
- section FFA of the flip-flop is set at its input to send output Q high which will cause transistor TR1 to conduct and effectively by-pass oscillator (24) pulses from the CLK input to flip-flop section FFB.
- key switch (9) is operated in advance of contacts (18) or (23) closing, no clock input will be applied to section FFB and the detonator will not be activated.
- Output Q goes low with setting of unit FFA which will derive a high at the output of gate NOR 4.
- the output current of the gate is applied to the LED (13) via current amplifier transistor TR3. LED (13) will flash due to pulsing from the clock oscillator (24).
- Trigger (25) so that the output thereof goes low and through gate NOR 3 current is passed via amplifier TR2 to cause LED 14 to flash.
- This function can then be performed by again turning the key in the time lock (10).
- the first and second time periods of the time lock (10) are selectively predetermined, in one form the first period may include an interval of 20 minutes while the second permissive period may comprise 1 minute.
- the second, permissive, period contacts (1.') and (18) will open and the interlock circuitry will become reset.
- Resetting occurs due to the output of the Trigger (25) going high which will firstly extinguish LED 14 and secondly reset flip-flop section FFA through capacitors C2 which will cause output Q to go high and extinguish LED 13.
- Resistor R4 establishes a discharge time constant of capacitor Cl to ensure that contacts (18) and (23) are provided with added time for opening after the circuit has been reset.
- Capacitor C3 and resistors R3 and R5 are provided at the input of section FFA of flip-flop for similar purposes to that described in respect of section FF
- the two keys required for opening of the door (5) will be in the possession of different personnel, for example one key may be retained by a member of the bank staff while the other is possessed by a security guard or even at a location remote from the premises on which the safe (4) is installed.
- the necessary sequence of operations involves turning of the key in the key switch (9) with subsequent turning of key in the time lock (10), and subsequently while both LED 13 and LED 14 are flashing the key of the time lock may again be turned to effect withdrawal of the locking bolt on the door (5).
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
- Burglar Alarm Systems (AREA)
- Prostheses (AREA)
- Air Bags (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
A safe security system which includes a key operated time delay lock (10) and a separate key switch (9) thereby requiring two individual keys for the opening of the safe, a dye marking device (20) within the safe, a door switch (23), and an electrical interlock circuit operating to activate the marking device if the door switch is operated before the key switch, or if a predetermined sequence of operation of the key switch and time lock is not followed.
Description
"A SECURITY SYSTEM FOR SAFES" This invention relates to security systems for safes and more particularly to an arrangement for indelible marking of currency within the safe when unauthorized entry is attempted.
BACKGROUND ART To deter unauthorized entry to safes time locks have been installed which prevent withdrawal of the locking bolt before expiry of a predetermined time interval. U.S. Patents Nos. 3,702,451 (Blizard) and 2,140,698 (Goehring) are examples of such devices which ensure that the door cannot be opened except during a permissive time interval following a time delay period which begins with correct setting of the lock tumblers. In neither instance is any special provision included to guard against forcible entry. For the convenient of authorized users of the safe the time period should not be long, but curtailment of the time interval often only delays burglary and does not prevent it. Various types of combination, or key, lock and gas or dye alarm devices have also been developed with varying degrees of success. In most instances these devices have attempted to thwart forcible entry of a safe by a burglar. A guard against forcible entry has been independently provided according to U.S. Patent No. 3,500,771 (Fisher et al) where a dye or gas cartridge is activated by a sprung firing pin when an access door of a cabinet or vending machine is forced. An interlock between a lock switch and an alarm device has also been proposed by U.S. Patent No. 1,743,667 (Gill). In this instance a reservoir of a marking fluid is disposed at the top of the safe which is sprayed on to the safe contents dependent upon two separate controls, viz. the position of the safe door and in response to a time mechanism. Release of the liquid occurs when the door is opened except during the time that the time mechanism operates which commences upon correct operation of a combination lock.
However, the increasing incidence of safe burglary in banks and other staff-attended establishments has led to
coercion of the staff in gaining entry to the safe. In most instances for the safety of the staff, they are advised to cooperate if threatened.
It is the principal objection of this invention to provide a security system for a safe which is secure against forcible entry and includes interlocked procedures in sequential operation for permissive access.
DISCLOSURE OF INVENTION The invention in one general form consists of a security system for a safe comprising a delayed action time lock permitting unlocking of the safe after a first time period and within a second time period, a switch operable when a door to the safe is opened, a device for dye marking of the safe's contents and being electrically actuated by said door switch, a key operated switch, and an electrical interlock circuit between the key switch, the door switch and the time lock ensuring that said marking device is not actuated if said key switch is operated before said door switch. BRIEF DESCRIPTION OF DRAWINGS
The invention will be described in more detail with reference to the accompanying drawings, in which:
Fig. 1 is a front perspective of a safe incorporating the security system of this invention; Fig. 2 shows in rear perspective the door of the safe shown in Fig. 1; and
Fig. 3 shows by schematic diagram the electrical interlock circuit of the security system.
BEST MODE OF CARRYING OUT THE INVENTION A safe (4) is shown in Fig. 1 which is generally of conventional form, having a front access door (5) and a safety deposit slot (6) at its top (7). Through a face panel (8) upon the door (5) the forward end of two key switches (9) and (10) protrude from the inside of the door. Key switch (9) has a key slot (11) to accept a first security key (not shown) while switch (10) accepts a second security key (not shown) in its key slot (12). Preferably, a further security key is made available for insertion into
slot (12) to enable withdrawal of the cylinder lock from switch (10) should a key change be desired. LED visual indicators (13) and (14) are positioned adjacent respective switches (9) and (10). The operative mechanisms of the key switches (9) and
(10) are accessible from the inside of the door (5) (Fig. 2), switch (9) incorporating electrical contacts which are closed with switch operation and connected to terminals (15 and (16), and switch (10) performing the following functions: upon key operation a clockwork timer commences to function and at completion of a predetermined time perio first contacts (17) close and at completion of a second tim period these contacts open. A second set of contacts (18) close upon key operation and open at completion of the second time period. A locking bolt (19) will be withdrawn to allow the door to be opened, should the key of the time lock be turned during the second time period. An explosive dye marker device (20) incorporating a detonator is mounted upon the inside of the door (5) and activated from the PCB (21). Dry cell batteries (22) are also provided to energiz the circuitry, and electrical access to the LED's (13) and (14) is gained from the inside of the door. A door microswitch (23) has contacts which close when the door is open. Detailed circuitry of the electrical interlock circui is shown in Fig. 3. The principal components of the circui comprise a four element NOR gate, two elements, NOR 1 and NOR 2, of which form part of an asymmetrical clock oscillator (24). A four stage Smitt Trigger circuit (25) functions as a de-bouncing circuit to avoid false operation by contacts (17), while a dual flip-flop integrated circuit is connected with section FFA arranged to operate in the direct mode and section FFB arranged as a clocked type D flip-flop. A detonator is fired by current passing through a triggered SCR to disseminate dye from the marking device (20) (Fig. 2). If the key is turned in the time lock (10) to cause its contacts (18) to close, or if the door (5) is opened to effect closure of contacts (23), the input D of
section FFB goes high and this is held by the time constant of capacitor Cl and resistor Rl long enough for a clock pulse from oscillator (24) to clock section FFB and send output Q high which will trigger the SCR and cause the detonator to explode.
However, if the key in key switch (9) is turned section FFA of the flip-flop is set at its input to send output Q high which will cause transistor TR1 to conduct and effectively by-pass oscillator (24) pulses from the CLK input to flip-flop section FFB. Thus, if key switch (9) is operated in advance of contacts (18) or (23) closing, no clock input will be applied to section FFB and the detonator will not be activated. Output Q goes low with setting of unit FFA which will derive a high at the output of gate NOR 4. The output current of the gate is applied to the LED (13) via current amplifier transistor TR3. LED (13) will flash due to pulsing from the clock oscillator (24).
When the timer lock switch (10) has completed a first time period as described hereinbefore, contact (17) will close to disconnect battery from the input of the Smitt
Trigger (25) so that the output thereof goes low and through gate NOR 3 current is passed via amplifier TR2 to cause LED 14 to flash. With both LED 13 and LED 14 in a flashing mode the operator is alerted to the fact that the security system is in a permissive state for opening of the door 5. This function can then be performed by again turning the key in the time lock (10). Although the first and second time periods of the time lock (10) are selectively predetermined, in one form the first period may include an interval of 20 minutes while the second permissive period may comprise 1 minute. At the conclusion of the second, permissive, period contacts (1.') and (18) will open and the interlock circuitry will become reset. Resetting occurs due to the output of the Trigger (25) going high which will firstly extinguish LED 14 and secondly reset flip-flop section FFA through capacitors C2 which will cause output Q to go high and extinguish LED 13. Resistor R4 establishes a discharge time constant of capacitor Cl to ensure that contacts (18) and
(23) are provided with added time for opening after the circuit has been reset. Capacitor C3 and resistors R3 and R5 are provided at the input of section FFA of flip-flop for similar purposes to that described in respect of section FF It will now be appreciated that in order to avoid dye marking of the contents of the safe (4) a predetermined sequence of operations in respect of the security system must be adhered to. It is envisaged that the two keys required for opening of the door (5) will be in the possession of different personnel, for example one key may be retained by a member of the bank staff while the other is possessed by a security guard or even at a location remote from the premises on which the safe (4) is installed. The necessary sequence of operations involves turning of the key in the key switch (9) with subsequent turning of key in the time lock (10), and subsequently while both LED 13 and LED 14 are flashing the key of the time lock may again be turned to effect withdrawal of the locking bolt on the door (5). Whereas a preferred embodiment has been described in the foregoing passages it should be understood that other forms, refinements and modifications are possible within the scope of this invention.
Claims
1. A security system for a safe comprising a delayed action time lock permitting unlocking of the safe after a first time period and within a second time period, a switch operable when a door to the safe is opened, a device for dye marking of the safe's contents and being electrically actuated by said door switch, a key operated switch, and an electrical interlock circuit between the key switch, the door switch and the time lock ensuring that said rarking device is not activated if said key switch is operated before said door switch.
2. A security system according to claim 1, wherein said marking device is actuated also by said time lock, and said interlock circuit ensures that said marking device is not actuated if said key switch is operated before said time lock.
3. A security system according to claim 2, wherein said marking device is actuated by an electrical circuit including a network comprising parallel connected electrical contacts corresponding respectively to said time lock and to said door switch, and an elactrical switching device controlled by said key switch for connection and disconnection of said network to said marking device.
4. A security system according to any one of the preceding claims, wherein said time lock is key operated.
5. A security system according to any one of the preceding claims, wherein said electrical interlock circuit also includes individual visual devices indicating that said key switch has been operated and indicating that a permissive period exists for opening of the safe door.
6. A security system according to any one of the preceding claims, wherein said electrical interlock circuit is energized by a battery and includes a clock oscillator for actuation of said marking device.
7. A security system according to claim 6, wherein said time lock, said door lock, said key switch, said marking device, said electrical interlock circuit and said battery are mounted upon said door internally of said safe.
8. A security system for a safe substantially as hereinbefore described with reference to the accompanying drawings.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84902574T ATE30350T1 (en) | 1983-06-30 | 1984-06-29 | SECURITY SYSTEM FOR SAFES. |
DE8484902574T DE3466904D1 (en) | 1983-06-30 | 1984-06-29 | A security system for safes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPG004883 | 1983-06-30 | ||
AUPG0048 | 1983-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1985000400A1 true WO1985000400A1 (en) | 1985-01-31 |
Family
ID=3770209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU1984/000119 WO1985000400A1 (en) | 1983-06-30 | 1984-06-29 | A security system for safes |
Country Status (11)
Country | Link |
---|---|
US (1) | US4649833A (en) |
EP (1) | EP0151590B1 (en) |
JP (1) | JPS5927740A (en) |
AT (1) | ATE30350T1 (en) |
AU (1) | AU560358B2 (en) |
CA (1) | CA1219935A (en) |
DE (1) | DE3466904D1 (en) |
IT (1) | IT1174219B (en) |
NZ (1) | NZ208739A (en) |
WO (1) | WO1985000400A1 (en) |
ZA (1) | ZA844975B (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU601212B2 (en) * | 1986-09-12 | 1990-09-06 | Dale Key | Security box and security system |
FR2630563B1 (en) * | 1988-04-25 | 1990-08-10 | Warfman Daniel | SAFETY BOX, ESPECIALLY FOR MANAGING ACCESS MEANS FOR CONTROLLED USE |
AT395632B (en) * | 1988-05-06 | 1993-02-25 | Keba Gmbh & Co | LOCKER SYSTEM WITH SEVERAL LOCKERS |
JPH0813395B2 (en) * | 1988-08-29 | 1996-02-14 | エンシュウ株式会社 | Screw forming equipment |
US5388433A (en) * | 1989-12-14 | 1995-02-14 | Andersson; Per-Olof | Anti-theft clip with bursting fluid |
US5111755A (en) * | 1990-01-22 | 1992-05-12 | Rouse Mark J | Safe gun storage apparatus |
US4982585A (en) * | 1990-05-02 | 1991-01-08 | Miss D, Inc. | Timer for bank vaults |
IL99716A (en) * | 1991-10-11 | 1996-09-12 | Technolock Engineering | Door locking system |
GB2304810A (en) * | 1995-09-08 | 1997-03-26 | Westcoast Management Ltd | Computer Security Module |
US5787819A (en) * | 1996-07-30 | 1998-08-04 | M.I.B. Elettronica S.R.L. | Anti-effraction device, in particular for automatic dispensers of banknotes and valuables |
DE19738748C2 (en) * | 1997-09-04 | 2002-07-18 | Sphinx Elektronik Gmbh & Co Kg | Locking device, in particular for a safe |
US6065408A (en) * | 1997-09-08 | 2000-05-23 | Safecash Technologies Limited | Security case |
US6293207B1 (en) * | 1997-11-20 | 2001-09-25 | Citicorp Development Center, Inc. | ATM box or safe with concealed hinges and electronic lock |
EP1254442A1 (en) * | 1999-12-15 | 2002-11-06 | Eident Limited | Tag |
SE520944C2 (en) * | 2002-01-22 | 2003-09-16 | Sqs Ab | Method of opening a transportable container and apparatus for carrying out the method |
US20050193932A1 (en) * | 2004-03-05 | 2005-09-08 | Triteq Lock And Security, L.L.C. | Safe lock with motor controlled bolts and electronic access |
GB0710395D0 (en) * | 2007-06-01 | 2007-07-11 | Cedardell Ltd | Security assembly and method of controlling a security assembley |
US8511120B2 (en) * | 2009-12-04 | 2013-08-20 | Lexmark International, Inc. | Electronic locking system to secure consumable item in an image forming device and a method therefor |
DE102010016808A1 (en) * | 2010-05-05 | 2011-11-10 | Wincor Nixdorf International Gmbh | Device for transporting and / or storing notes of value |
US20120325127A1 (en) * | 2011-06-22 | 2012-12-27 | Adrain John B | Intrusion deterrence accessory device |
US9226392B2 (en) * | 2013-01-18 | 2015-12-29 | Xac Automation Corp. | Tamper protection device and data transaction apparatus |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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GB885245A (en) * | 1960-01-06 | 1961-12-20 | David Charles Stevens | Theft deterrent for paper securities |
US3730110A (en) * | 1971-05-14 | 1973-05-01 | W Peters | Money spray apparatus for theft identification |
GB1446711A (en) * | 1972-10-10 | 1976-08-18 | Mcdonald J | Burglar detection device |
GB1450397A (en) * | 1973-01-22 | 1976-09-22 | Thorne Son Safes Security Syst | Safes |
WO1983002975A1 (en) * | 1982-02-18 | 1983-09-01 | Eddie Lai Stenild | An apparatus for dispersing a dye over securities in a closed space at attempts at burglary |
WO1983003872A1 (en) * | 1982-05-04 | 1983-11-10 | Stig Cedergren | Method of dyeing documents on attempted theft and device for implementing such method |
Family Cites Families (10)
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US1743667A (en) * | 1928-10-20 | 1930-01-14 | Mary E Gill | Antitheft device for safes |
US2140698A (en) * | 1936-06-13 | 1938-12-20 | Yale & Towne Mfg Co | Time lock |
US3500771A (en) * | 1969-01-15 | 1970-03-17 | Harvey D Fischer | Burglar-proof lock device |
US3702451A (en) * | 1972-02-09 | 1972-11-07 | Westinghouse Electric Corp | Electrical inductive apparatus |
US3876913A (en) * | 1973-11-12 | 1975-04-08 | Goss Keith James | Electronic circuit for activating an electric lock |
BE833225A (en) * | 1975-09-09 | 1975-12-31 | BOX FOR VALUES | |
US4033157A (en) * | 1975-11-12 | 1977-07-05 | Canadian Business Machines Ltd. | Locking mechanisms |
JPS5937699B2 (en) * | 1976-10-29 | 1984-09-11 | 大阪瓦斯株式会社 | thread rolling machine |
JPS5937701B2 (en) * | 1976-11-30 | 1984-09-11 | 大阪瓦斯株式会社 | thread rolling machine |
DE2704478C2 (en) * | 1977-02-03 | 1989-02-23 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | Anti-theft system for automobiles |
-
1983
- 1983-07-15 JP JP58130144A patent/JPS5927740A/en active Pending
-
1984
- 1984-06-29 EP EP84902574A patent/EP0151590B1/en not_active Expired
- 1984-06-29 WO PCT/AU1984/000119 patent/WO1985000400A1/en active IP Right Grant
- 1984-06-29 CA CA000457947A patent/CA1219935A/en not_active Expired
- 1984-06-29 DE DE8484902574T patent/DE3466904D1/en not_active Expired
- 1984-06-29 ZA ZA844975A patent/ZA844975B/en unknown
- 1984-06-29 AU AU31058/84A patent/AU560358B2/en not_active Ceased
- 1984-06-29 AT AT84902574T patent/ATE30350T1/en not_active IP Right Cessation
- 1984-06-29 US US06/713,908 patent/US4649833A/en not_active Expired - Fee Related
- 1984-07-02 NZ NZ208739A patent/NZ208739A/en unknown
- 1984-07-02 IT IT8421716A patent/IT1174219B/en active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB885245A (en) * | 1960-01-06 | 1961-12-20 | David Charles Stevens | Theft deterrent for paper securities |
US3730110A (en) * | 1971-05-14 | 1973-05-01 | W Peters | Money spray apparatus for theft identification |
GB1446711A (en) * | 1972-10-10 | 1976-08-18 | Mcdonald J | Burglar detection device |
GB1450397A (en) * | 1973-01-22 | 1976-09-22 | Thorne Son Safes Security Syst | Safes |
WO1983002975A1 (en) * | 1982-02-18 | 1983-09-01 | Eddie Lai Stenild | An apparatus for dispersing a dye over securities in a closed space at attempts at burglary |
WO1983003872A1 (en) * | 1982-05-04 | 1983-11-10 | Stig Cedergren | Method of dyeing documents on attempted theft and device for implementing such method |
Non-Patent Citations (1)
Title |
---|
See also references of EP0151590A4 * |
Also Published As
Publication number | Publication date |
---|---|
JPS5927740A (en) | 1984-02-14 |
US4649833A (en) | 1987-03-17 |
EP0151590A4 (en) | 1985-10-14 |
EP0151590A1 (en) | 1985-08-21 |
IT8421716A1 (en) | 1986-01-02 |
AU3105884A (en) | 1985-02-07 |
IT8421716A0 (en) | 1984-07-02 |
EP0151590B1 (en) | 1987-10-21 |
ZA844975B (en) | 1985-02-27 |
DE3466904D1 (en) | 1987-11-26 |
AU560358B2 (en) | 1987-04-02 |
CA1219935A (en) | 1987-03-31 |
IT1174219B (en) | 1987-07-01 |
NZ208739A (en) | 1987-03-31 |
ATE30350T1 (en) | 1987-11-15 |
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